Welcome to ESI Online

Extinguishing Systems, Inc. (ESI) has been serving the fire protection needs of Western Pennsylvania's commercial and industrial community since 1978. Conveniently located less than five miles from downtown Pittsburgh, our normal hours are 7:30 A.M. to 4:30 P.M., Monday through Friday, with emergency service available 24 hours a day, 7 days a week.

We pride ourselves on establishing long term relationships with our customers and providing prompt, professional service and support for all of our products.

ESI Is the Local Representative for:

• Siemens Fire Safety (Cerberus Pyrotronics)
• Kidde Fire Systems
• Vision Systems VESDA Air Sampling
• PemAll Fire Protection, Inc.
• Badger Fire Protection

We provide sales and a full range of services for all types of commercial and industrial smoke detection, alarm and special hazard fire suppression systems.

We also carry a complete line of residential products including smoke and CO detectors, portable fire extinguishers and emergency escape ladders.